package com.ruoyi.answer.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.core.domain.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import com.ruoyi.answer.domain.bo.ExamQuestionChoiceBo;
import com.ruoyi.answer.domain.vo.ExamQuestionChoiceVo;
import com.ruoyi.answer.domain.ExamQuestionChoice;
import com.ruoyi.answer.mapper.ExamQuestionChoiceMapper;
import com.ruoyi.answer.service.IExamQuestionChoiceService;

import java.util.List;
import java.util.Map;
import java.util.Collection;

/**
 * 选择题选项Service业务层处理
 *
 * @author ruoyi
 * @date 2022-08-19
 */
@RequiredArgsConstructor
@Service
public class ExamQuestionChoiceServiceImpl implements IExamQuestionChoiceService {

    private final ExamQuestionChoiceMapper baseMapper;

    /**
     * 查询选择题选项
     */
    @Override
    public ExamQuestionChoiceVo queryById(Long id){
        return baseMapper.selectVoById(id);
    }

    /**
     * 查询选择题选项列表
     */
    @Override
    public TableDataInfo<ExamQuestionChoiceVo> queryPageList(ExamQuestionChoiceBo bo, PageQuery pageQuery) {
        QueryWrapper<ExamQuestionChoice> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("question_id",bo.getQuestionId());
        Page<ExamQuestionChoiceVo> result = baseMapper.selectVoPage(pageQuery.build(), queryWrapper);
        return TableDataInfo.build(result);
    }

    /**
     * 查询选择题选项列表
     */
    @Override
    public List<ExamQuestionChoiceVo> queryList(ExamQuestionChoiceBo bo) {
        LambdaQueryWrapper<ExamQuestionChoice> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<ExamQuestionChoice> buildQueryWrapper(ExamQuestionChoiceBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<ExamQuestionChoice> lqw = Wrappers.lambdaQuery();
        return lqw;
    }

    /**
     * 新增选择题选项
     */
    @Override
    public Boolean insertByBo(ExamQuestionChoiceBo bo) {
        ExamQuestionChoice add = BeanUtil.toBean(bo, ExamQuestionChoice.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setId(add.getId());
        }
        return flag;
    }

    /**
     * 修改选择题选项
     */
    @Override
    public Boolean updateByBo(ExamQuestionChoiceBo bo) {
        ExamQuestionChoice update = BeanUtil.toBean(bo, ExamQuestionChoice.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(ExamQuestionChoice entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 批量删除选择题选项
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteBatchIds(ids) > 0;
    }
}
